Pith Number

pith:JPYBQZKI

pith:2010:JPYBQZKIMWLYJT2NEBVB47HHL7

not attested not anchored not stored refs pending

Semantic Content Filtering with Wikipedia and Ontologies

Jyrki Wallenius, Oskar Ahlgren, Pekka Korhonen, Pekka Malo, Pyry Siitari

arxiv:1012.0854 v1 · 2010-12-03 · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPYBQZKIMWLYJT2NEBVB47HHL7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:23:16.005045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf0186548659784cf4d206a1e7ce75fc32186c46a26c1e797c234f03dfacaef

Aliases

arxiv: 1012.0854 · arxiv_version: 1012.0854v1 · doi: 10.48550/arxiv.1012.0854 · pith_short_12: JPYBQZKIMWLY · pith_short_16: JPYBQZKIMWLYJT2N · pith_short_8: JPYBQZKI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JPYBQZKIMWLYJT2NEBVB47HHL7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4bf0186548659784cf4d206a1e7ce75fc32186c46a26c1e797c234f03dfacaef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c64d06d667db20961f790761d129b6ca93ce78eedccedccc43ac527d69d1cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-12-03T21:23:21Z",
    "title_canon_sha256": "6a19802127019672dd59081236ff383efccd417b28fa206ccf0f1807bf86cfa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0854",
    "kind": "arxiv",
    "version": 1
  }
}